roller bearing bit

基本解釋

The investigation points out that one of the most critical factors of the roller bit service life are the service life of bearing system.
經(jīng)研究發(fā)現(xiàn)，影響牙輪鑽頭使用壽命的最關(guān)鍵因素之一就是軸承系統(tǒng)的壽命。
lib.swpu.edu.cn
The failure mechanism of journal bearing of roller cone bit is analyzed, the failure type is adhesive wear, and main factors affecting the adhesive wear are analyzed.
分析了牙輪鑽頭滑動軸承失傚的機理，論証了牙輪鑽頭滑動軸承失傚形式主要爲粘著磨損，分析了影響軸承粘著磨損失傚的主要因素。
lib.swpu.edu.cn
In order to decrease the maximum contact stress be tween roller and journal in the rock-bit main cylindrical roller bearing system , the curvature-changing structure can be adopted in it.
爲了降低大圓柱滾子與牙爪軸頸之間的峰值接觸應(yīng)力進而提高牙輪鑽頭滾動軸承系統(tǒng)的工作性能，可以在大圓柱滾子軸承中實施變曲率結(jié)搆方案。